[INFO] fetching crate randnum 0.2.0...
[INFO] testing randnum-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate randnum 0.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate randnum 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randnum 0.2.0
[INFO] finished tweaking crates.io crate randnum 0.2.0
[INFO] tweaked toml for crates.io crate randnum 0.2.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d324e4e22726a8b95182bdf07d5de0e199a4a82d2880201077a3d426340bed
[INFO] running `Command { std: "docker" "start" "-a" "b7d324e4e22726a8b95182bdf07d5de0e199a4a82d2880201077a3d426340bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d324e4e22726a8b95182bdf07d5de0e199a4a82d2880201077a3d426340bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d324e4e22726a8b95182bdf07d5de0e199a4a82d2880201077a3d426340bed", kill_on_drop: false }`
[INFO] [stdout] b7d324e4e22726a8b95182bdf07d5de0e199a4a82d2880201077a3d426340bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8901a6bf72342133c96fe994f240da33b53784923c6b2e3f6d6fa553f413a5df
[INFO] running `Command { std: "docker" "start" "-a" "8901a6bf72342133c96fe994f240da33b53784923c6b2e3f6d6fa553f413a5df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling randnum v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "8901a6bf72342133c96fe994f240da33b53784923c6b2e3f6d6fa553f413a5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8901a6bf72342133c96fe994f240da33b53784923c6b2e3f6d6fa553f413a5df", kill_on_drop: false }`
[INFO] [stdout] 8901a6bf72342133c96fe994f240da33b53784923c6b2e3f6d6fa553f413a5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb874b0d6be64803f7a21d01a4d54dd8d8ec17b8e8f3554985805bf2a0e60bd2
[INFO] running `Command { std: "docker" "start" "-a" "eb874b0d6be64803f7a21d01a4d54dd8d8ec17b8e8f3554985805bf2a0e60bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling randnum v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "eb874b0d6be64803f7a21d01a4d54dd8d8ec17b8e8f3554985805bf2a0e60bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb874b0d6be64803f7a21d01a4d54dd8d8ec17b8e8f3554985805bf2a0e60bd2", kill_on_drop: false }`
[INFO] [stdout] eb874b0d6be64803f7a21d01a4d54dd8d8ec17b8e8f3554985805bf2a0e60bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a718db26bd39cca8421fc3b4945a35253cc787ea515cb77b41db02f35244f53f
[INFO] running `Command { std: "docker" "start" "-a" "a718db26bd39cca8421fc3b4945a35253cc787ea515cb77b41db02f35244f53f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randnum-068a46c3d28b939f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a718db26bd39cca8421fc3b4945a35253cc787ea515cb77b41db02f35244f53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a718db26bd39cca8421fc3b4945a35253cc787ea515cb77b41db02f35244f53f", kill_on_drop: false }`
[INFO] [stdout] a718db26bd39cca8421fc3b4945a35253cc787ea515cb77b41db02f35244f53f